The 10 Best Carb Cleaners of 2025

The top 5 products, which are listed below with an explanation of their benefits and drawbacks, were the primary focus of our research.

1. Best Overall: Berryman Products 0116 B-12

2. Best Budget: Gumout 800002230-12PK

3. Best Material: STA-BIL Fast Fix

4. Best Durability: Complete Fuel System Cleaner

5. Best Performance: CRC BRAKLEEN Brake Parts Cleaner

1. Berryman Products 0116 B-12

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Product Summary

This cleaner is designed to quickly and effectively clean carburetors, chokes, and other engine parts. It features a powerful jet spray that can blast away even the toughest deposits.

Specification

• Contains 100% High-Energy Solvent Technology
• Helps Keep Injectors Or Carb(S) And Intake Ports And Valves Clean more

Reasons to buy

• Carb cleaner can remove dirt, grime, and other deposits that build up in the carburetor, improving the engine's performance.
• It can help prevent rough idling and stalling.
• Carb cleaner can increase fuel efficiency by improving the air-fuel mixture.

Reasons to avoid

• Carb cleaner can be harmful to skin, eyes, and lungs, so it's important to use it in a well-ventilated area and wear protective gloves and eye protection.

2. Gumout 800002230-12PK

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Product Summary

This product is designed to remove varnish, gum, and other buildups that can clog carburetors and other engine parts. It is safe for use on aluminum, zinc, and other metals and can be used to clean carburetors, throttle bodies, and other engine parts.

Specification

• Quickly removes deposits from the inside and outside of the carburetor to improve engine performance and fuel economy
• Cleans gum, varnish, and dirt from clogged carburetors and choke valves more

Reasons to buy

• It can help to reduce emissions, improving the vehicle's environmental impact.
• Carb cleaner can remove gunk and varnish from the carburetor, extending the life of the engine.
• It is relatively inexpensive and easy to use.

Reasons to avoid.

• It can be flammable, so it should be kept away from sources of heat and ignition.

3. STA-BIL Fast Fix

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Product Summary

This cleaner is designed to clean carburetors, chokes, and other engine parts without leaving behind any residue. It is safe for use on plastic, rubber, and metal components and can help to improve engine performance.

Specification

• Fixes poor/non-running engines by eating the gum and varnish that causes rough starts, or no starts
• Fixes issues caused by ethanol blended fuels more

Reasons to buy

• Carb cleaner is available in aerosol cans, making it easy to apply.
• It can help to restore lost horsepower.
• Carb cleaner can remove rust and corrosion from engine components.

Reasons to avoid

• Can damage certain types of plastic, rubber, and painted surfaces, so it's important to read the label carefully before use.

4. Complete Fuel System Cleaner

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Product Summary

This cleaner is designed to quickly and easily clean carburetors, choke linkage, and other engine parts. It is formulated to dissolve and remove gum, varnish, and other buildups that can impede engine performance.

Specification

• Save gas by keeping fuel intake system clean
• Helps restore performance more

Reasons to buy

• It can help to prevent engine knock and detonation.
• Carb cleaner can be used to clean other engine parts besides the carburetor, such as the throttle body and intake manifold.
• It can help to improve acceleration and response.

Reasons to avoid

• It may not be effective for removing extremely stubborn deposits from the carburetor or other engine components.

5. CRC BRAKLEEN Brake Parts Cleaner

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Product Summary

This cleaner is designed to clean carburetors, throttle plates, and other engine parts while also lubricating and protecting them. It is safe for use on all types of carburetors and can help to improve engine performance.

Specification

• The original brake parts cleaner
• Formulated to quickly & effectively remove grease, brake dust, brake fluids, oils, & other contaminants from brake parts, lining, pads more

Reasons to buy

• Carb cleaner can prevent carburetor damage due to excessive dirt and grime buildup.
• It can help to prevent clogs in the fuel system.
• Carb cleaner can help to reduce the need for costly repairs.

Reasons to avoid

• Overuse of carb cleaner can damage certain engine components, such as gaskets and seals.

Type of Carb Cleaner:

There are two main types of carb cleaner - aerosol and liquid. Aerosol carb cleaners are more popular as they offer a convenient way to apply the cleaner with a spray nozzle. Liquid carb cleaners can be more effective as they can be applied directly onto the parts needing cleaning.

Solvent-Based vs Water-Based:

Carburetor cleaners are typically solvent-based, but some water-based options are also available. Solvent-based cleaners are more effective but can be more aggressive and damaging to rubber and plastic components. Water-based cleaners are milder and safer to use but may require more elbow grease to get the job done.

Compatibility:

Before purchasing a carb cleaner, ensure it is compatible with the materials in your engine. Some carb cleaners are not safe to use on certain metals or plastics, and using them can cause damage or even failure.

Cleaning Power:

Different carb cleaners have different cleaning powers, and some are more effective than others. It is essential to choose a carb cleaner with enough cleaning power to remove stubborn deposits and restore proper engine performance.

1. How often should I use carb cleaner on my engine?

   The frequency of use depends on how often you use your vehicle and the condition of your engine. It's recommended to use carb cleaner every 3-6 months or as needed to keep your engine running smoothly.

2. Is it safe to use carb cleaner indoors?

   No, it's not safe to use carb cleaner indoors. Carb cleaner contains volatile chemicals that can be hazardous when inhaled. Always use carb cleaner in a well-ventilated area and wear protective gloves and eye protection.

Anyone who wants to keep their engine running smoothly should invest in carb cleaner as a necessary maintenance item. In order to keep the engine operating properly and efficiently, it may assist remove dirt, grime, and other deposits from engine components. It's crucial to take product kind, compatibility, and cleaning strength into account when buying a carb cleaner. Before using a product, make sure to carefully read the label and then use it according to the directions. You can help your engine last longer and continue to run well by using carb cleaning on a regular basis.

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